diff --git a/bin/sourcezap b/bin/sourcezap
index eee33e8..592fc79 100755
--- a/bin/sourcezap
+++ b/bin/sourcezap
@@ -5,8 +5,8 @@ set -e
 # variables
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/..)}
 libexec="${localbase}"/libexec/sourcezap
-gitdir="/home/_sourcezap/src"
-giturl="${SOURCEZAP_CLONEURL:-https://git.hardenedbsd.org/hardenedbsd/hardenedbsd.git}"
+repodir="/home/_sourcezap/src"
+repourl="${SOURCEZAP_CLONEURL:-https://git.hardenedbsd.org/hardenedbsd/hardenedbsd.git}"
 installdir="${SOURCEZAP_INSTALLDIR:-/usr/src}"
 defaultbranch="hardenedbsd/main"
 revfile="${installdir}"/.sourcezap
@@ -52,26 +52,26 @@ case $1 in
         ;;
     "clone")
         require_dependency git doas
-        "${libexec}"/commands/sourcezap-clone "${giturl}" "${gitdir}" "${defaultbranch}"
+        "${libexec}"/commands/sourcezap-clone "${repourl}" "${repodir}" "${defaultbranch}"
         ;;
     "pull")
         require_dependency git doas
-        "${libexec}"/commands/sourcezap-pull "${gitdir}"
+        "${libexec}"/commands/sourcezap-pull "${repodir}"
         ;;
     "checkout")
         require_dependency git doas
-        "${libexec}"/commands/sourcezap-checkout "${gitdir}" "${2}"
+        "${libexec}"/commands/sourcezap-checkout "${repodir}" "${2}"
         ;;
      "sh")
         require_dependency doas
-        "${libexec}"/commands/sourcezap-sh "${gitdir}"
+        "${libexec}"/commands/sourcezap-sh "${repodir}"
         ;;
     "rm")
-        "${libexec}"/commands/sourcezap-rm "${gitdir}" "${installdir}"
+        "${libexec}"/commands/sourcezap-rm "${repodir}" "${installdir}"
         ;;
     "install")
         require_dependency git doas
-        "${libexec}"/commands/sourcezap-install "${gitdir}" "${installdir}" "${revfile}"
+        "${libexec}"/commands/sourcezap-install "${repodir}" "${installdir}" "${revfile}"
         ;;
     *)
         printf "Usage: sourcezap COMMAND [OPTIONS]\n"
diff --git a/libexec/sourcezap/commands/sourcezap-checkout b/libexec/sourcezap/commands/sourcezap-checkout
index 657b365..893a477 100755
--- a/libexec/sourcezap/commands/sourcezap-checkout
+++ b/libexec/sourcezap/commands/sourcezap-checkout
@@ -6,7 +6,7 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/sourcezap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 branch=$2
 
 ##
@@ -26,12 +26,12 @@ if ! "${libexec}"/utils/issourcezap-member; then
     exit 1
 fi
 
-if [ ! -e "${gitdir}/.git" ]; then
+if [ ! -e "${repodir}/.git" ]; then
     printerr "try 'sourcezap clone' instead"
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 "${git}" fetch origin
 "${git}" checkout "${branch}" ||
 "${git}" checkout -t origin/"${branch}"
diff --git a/libexec/sourcezap/commands/sourcezap-clone b/libexec/sourcezap/commands/sourcezap-clone
index 04bf36b..34b3b0a 100755
--- a/libexec/sourcezap/commands/sourcezap-clone
+++ b/libexec/sourcezap/commands/sourcezap-clone
@@ -6,8 +6,8 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/sourcezap
 git="${libexec}"/utils/git/run
-giturl=$1
-gitdir=$2
+repourl=$1
+repodir=$2
 branch=$3
 
 ##
@@ -27,13 +27,13 @@ if ! "${libexec}"/utils/issourcezap-member; then
     exit 1
 fi
 
-if [ -e "${gitdir}/.git" ]; then
+if [ -e "${repodir}/.git" ]; then
     printerr "try 'sourcezap pull' instead"
     exit 1
 fi
 
-"${git}" clone "${giturl}" "${gitdir}"
-cd "${gitdir}"
+"${git}" clone "${repourl}" "${repodir}"
+cd "${repodir}"
 "${git}" config core.filemode off
 "${git}" checkout -t origin/"${branch}" > /dev/null 2>&1 || true
 printok "clone complete"
diff --git a/libexec/sourcezap/commands/sourcezap-install b/libexec/sourcezap/commands/sourcezap-install
index 431cdc9..d002b9b 100755
--- a/libexec/sourcezap/commands/sourcezap-install
+++ b/libexec/sourcezap/commands/sourcezap-install
@@ -7,7 +7,7 @@ localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/sourcezap
 git="${libexec}"/utils/git/run
 mask=$("${libexec}"/utils/get-umask)
-gitdir=$1
+repodir=$1
 installdir=$2
 revfile=$3
 
@@ -23,14 +23,14 @@ if [ "$(id -u)" != "0" ]; then
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 if [ -e "${revfile}" ]; then
     ##
     # install update
     rev=$(cat "${revfile}")
     "${libexec}"/utils/install/run -d "${installdir}"
-    "${libexec}"/utils/install/update-deleted-files "${gitdir}" "${installdir}" "${rev}"
-    "${libexec}"/utils/install/update-changed-files "${gitdir}" "${installdir}" "${rev}"
+    "${libexec}"/utils/install/update-deleted-files "${repodir}" "${installdir}" "${rev}"
+    "${libexec}"/utils/install/update-changed-files "${repodir}" "${installdir}" "${rev}"
 else
     ##
     # install from scratch
diff --git a/libexec/sourcezap/commands/sourcezap-pull b/libexec/sourcezap/commands/sourcezap-pull
index c971dd3..e0ff64c 100755
--- a/libexec/sourcezap/commands/sourcezap-pull
+++ b/libexec/sourcezap/commands/sourcezap-pull
@@ -6,7 +6,7 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/sourcezap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 
 ##
 # functions
@@ -25,12 +25,12 @@ if ! "${libexec}"/utils/issourcezap-member; then
     exit 1
 fi
 
-if [ ! -e "${gitdir}/.git" ]; then
+if [ ! -e "${repodir}/.git" ]; then
     printerr "try 'sourcezap clone' instead"
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 branch=$("${git}" branch --show-current)
 "${git}" pull --rebase origin "${branch}"
 printok "pull complete"
diff --git a/libexec/sourcezap/commands/sourcezap-rm b/libexec/sourcezap/commands/sourcezap-rm
index 21f1e31..26ce9b7 100755
--- a/libexec/sourcezap/commands/sourcezap-rm
+++ b/libexec/sourcezap/commands/sourcezap-rm
@@ -5,7 +5,7 @@ set -e
 # variables
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/sourcezap
-gitdir=$1
+repodir=$1
 installdir=$2
 
 ##
@@ -36,19 +36,19 @@ if [ "$(id -u)" != "0" ]; then
     exit 1
 fi
 
-printf "1 Remove the contents of %s\n" "${gitdir}"
+printf "1 Remove the contents of %s\n" "${repodir}"
 printf "2 Remove the contents of %s\n" "${installdir}"
-printf "3 Remove the contents of both (%s and %s)\n" "${gitdir}" "${installdir}"
+printf "3 Remove the contents of both (%s and %s)\n" "${repodir}" "${installdir}"
 printf "4 Do nothing\n"
 printf "1-4: "
 while true; do
     read -r r
     if [ "${r}" = "1" ]; then
-        erase "${gitdir}"
+        erase "${repodir}"
     elif [ "${r}" = "2" ]; then
         erase "${installdir}"
     elif [ "${r}" = "3" ]; then
-        erase "${gitdir}"
+        erase "${repodir}"
         erase "${installdir}"
     elif [ "${r}" = "4" ]; then
         break
diff --git a/libexec/sourcezap/commands/sourcezap-sh b/libexec/sourcezap/commands/sourcezap-sh
index efcb607..d102379 100755
--- a/libexec/sourcezap/commands/sourcezap-sh
+++ b/libexec/sourcezap/commands/sourcezap-sh
@@ -6,7 +6,7 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/sourcezap
 user=_sourcezap
-gitdir="${1}"
+repodir="${1}"
 
 ##
 # functions
@@ -25,12 +25,12 @@ if ! "${libexec}"/utils/issourcezap-member; then
    exit 1
 fi
 
-if [ ! -e "${gitdir}" ]; then
+if [ ! -e "${repodir}" ]; then
     printerr "try 'sourcezap clone' instead"
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 doas -n \
      -u "${user}" \
      /bin/sh
diff --git a/libexec/sourcezap/utils/git/get-changed-files b/libexec/sourcezap/utils/git/get-changed-files
index d026bb4..45a46fd 100755
--- a/libexec/sourcezap/utils/git/get-changed-files
+++ b/libexec/sourcezap/utils/git/get-changed-files
@@ -6,11 +6,11 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/sourcezap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 commit=$2
 
 ##
 # main
-cd "${gitdir}"
+cd "${repodir}"
 "${git}" diff -l0 --name-only --diff-filter=A "${commit}" "HEAD"
 "${git}" diff -l0 --name-only --diff-filter=M "${commit}" "HEAD"
diff --git a/libexec/sourcezap/utils/git/get-removed-files b/libexec/sourcezap/utils/git/get-removed-files
index 4d76c4a..1496528 100755
--- a/libexec/sourcezap/utils/git/get-removed-files
+++ b/libexec/sourcezap/utils/git/get-removed-files
@@ -6,10 +6,10 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/sourcezap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 commit=$2
 
 ##
 # main
-cd "${gitdir}"
+cd "${repodir}"
 "${git}" diff -l0 --name-only --diff-filter=D "${commit}" "HEAD"
diff --git a/libexec/sourcezap/utils/install/update-changed-files b/libexec/sourcezap/utils/install/update-changed-files
index 51da754..577cb1a 100755
--- a/libexec/sourcezap/utils/install/update-changed-files
+++ b/libexec/sourcezap/utils/install/update-changed-files
@@ -5,14 +5,14 @@ set -e
 # variables
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/sourcezap
-gitdir=$1
+repodir=$1
 installdir=$2
 rev=$3
 
 ##
 # main
-cd "${gitdir}"
-files=$("${libexec}"/utils/git/get-changed-files "${gitdir}" "${rev}")
+cd "${repodir}"
+files=$("${libexec}"/utils/git/get-changed-files "${repodir}" "${rev}")
 for file in ${files}; do
     target="${installdir}/${file}"
     parent=$(dirname "${target}")
diff --git a/libexec/sourcezap/utils/install/update-deleted-files b/libexec/sourcezap/utils/install/update-deleted-files
index 71ec800..fdcd104 100755
--- a/libexec/sourcezap/utils/install/update-deleted-files
+++ b/libexec/sourcezap/utils/install/update-deleted-files
@@ -5,14 +5,14 @@ set -e
 # variables
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/sourcezap
-gitdir=$1
+repodir=$1
 installdir=$2
 rev=$3
 
 ##
 # main
-cd "${gitdir}"
-files=$("${libexec}"/utils/git/get-removed-files "${gitdir}" "${rev}")
+cd "${repodir}"
+files=$("${libexec}"/utils/git/get-removed-files "${repodir}" "${rev}")
 for file in ${files}; do
     target="${installdir}/${file}"
     parent=$(dirname "${target}")